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FAN8742

Features: Common•Built-in thermal shutdown circuit (TSD)•8 Independent voltage sources•Corresponds to 3.3V or 5V DSP•4 selectable mute inputsSpindle•Output PWM mode control•FG output: open collector type•Selectable brake(short & reverse brake)•Bu...

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SeekIC No. : 004340543 Detail

FAN8742: Features: Common•Built-in thermal shutdown circuit (TSD)•8 Independent voltage sources•Corresponds to 3.3V or 5V DSP•4 selectable mute inputsSpindle•Output PWM mode con...

FAN8742 Data Sheet

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Part Number:
FAN8742
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

Common
•Built-in thermal shutdown circuit (TSD)
•8 Independent voltage sources
•Corresponds to 3.3V or 5V DSP
•4 selectable mute inputs
Spindle
•Output PWM mode control
•FG output: open collector type
•Selectable brake(short & reverse brake)
•Built-in hall bias
•180ocommutation(compatible with conventional BLDC spindle motor)
•Built in short-through protection function BTL(Sled 2-channels)
•Output PWM mode control
•Built in short-through protection function BTL(Other 4-channels)
•Output linear mode control
 


Application

•CD-ROM
•CD-RW
•DVD-ROM
•DVD-RAM
•DVD Player (DVDP)
•Other compact disk media
•Game consoles


Specifications

Parameter          Value          Unit
Supply Voltage (Signal block)            7           V
Supply Voltage (Digital block)            7           V
Supply Voltage (Spindle/Sled/BTL/BTL pre driver)            15           V
Power Dissipation (56-TSSOP-EP)     1.6 / 3.2 / 4.1           W
Power Dissipation (56-SSOP-HS)        3.1 / 4.7           W
Operating Temperature Range        -20 to +75           
Storage Temperature Range        -40 to +150           
Maximum Output Current (Spindle)            2.0            A
Maximum Output Current (CH1/2/3/4, Sled)            1.0            A



Description

Suitable for a 3-phase BLDC (Brush-Less Direct Current) spindlemotor driver with PWM, the monolithic FAN8741/FAN8742 IC alsoincludes  2-ch motor drivers with PWM for sled motors and 4-chlinear drivers which drive the focus actuator, tracking actuator, tilt actuator, and loading motor in optical media applications. Designed specifically for high-speed/high-density optical media applications, the FAN8741/FAN8742's power stage is created by D-MOS transistors which have extremely low RDSON. This enables less heat generation and guarantees improved reliability.
The FAN8741G/FAN8742G is available in a 56-SSOP-HS pack-age, which has high-power dissipation and the leadframe isexposed to the top side.
The FAN8741MTF/FAN8742MTF is available in a 56-TSSOP-EPpackage, which is very thin and the leadframe is exposed to the bottom side.




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